Remove dead ticket links

Signed-off-by: ArtofBugs <74070945+ArtofBugs@users.noreply.github.com>

CHANGELOG.md

@@ -377,7 +377,7 @@ Special thanks to @ThatGerber for getting the PR for this release together
 
 ### Bug
 
-- **[COOK-4186](https://tickets.opscode.com/browse/COOK-4186)** - Upgrade_package concatenates an empty version string when version is not set or is empty.
+- [COOK-4186] - Upgrade_package concatenates an empty version string when version is not set or is empty.
 
 ## v1.3.12 (2014-01-28)
 
@@ -407,28 +407,28 @@ Fixing style cops. Updating test harness
 
 ### Bug
 
-- **[COOK-3479](https://tickets.opscode.com/browse/COOK-3479)** - Added Windows support to PHP
-- **[COOK-2909](https://tickets.opscode.com/browse/COOK-2909)** - Warnings about Chef::Exceptions::ShellCommandFailed is deprecated
+- [COOK-3479] - Added Windows support to PHP
+- [COOK-2909] - Warnings about Chef::Exceptions::ShellCommandFailed is deprecated
 
 ## v1.2.6
 
 ### Bug
 
-- **[COOK-3628](https://tickets.opscode.com/browse/COOK-3628)** - Fix PHP download URL
-- **[COOK-3568](https://tickets.opscode.com/browse/COOK-3568)** - Fix Test Kitchen tests
-- **[COOK-3402](https://tickets.opscode.com/browse/COOK-3402)** - When the `ext_dir` setting is present, configure php properly for the source recipe
-- **[COOK-2926](https://tickets.opscode.com/browse/COOK-2926)** - Fix pear package detection when installing specific version
+- [COOK-3628] - Fix PHP download URL
+- [COOK-3568] - Fix Test Kitchen tests
+- [COOK-3402] - When the `ext_dir` setting is present, configure php properly for the source recipe
+- [COOK-2926] - Fix pear package detection when installing specific version
 
 ## v1.2.4
 
 ### Improvement
 
-- **[COOK-3047](https://tickets.opscode.com/browse/COOK-3047)** - Sort directives in `php.ini`
-- **[COOK-2928](https://tickets.opscode.com/browse/COOK-2928)** - Abstract `php.ini` directives into variables
+- [COOK-3047] - Sort directives in `php.ini`
+- [COOK-2928] - Abstract `php.ini` directives into variables
 
 ### Bug
 
-- **[COOK-2378](https://tickets.opscode.com/browse/COOK-2378)** - Fix `php_pear` for libevent
+- [COOK-2378] - Fix `php_pear` for libevent
 
 ## v1.2.2